| 摘要 |
<p>A silicon resin comprising at least phenylheptamethylcyclotetrasiloxane and/or 2,6-cis- diphenylhexamethylcyclotetrasiloxane is provided as a hydrogen permeation membrane capable of selective hydrogen permeation and capable of molding to arbitrary shape and is subjected to a firing step conducted at a thermal treatment temperature of 200 to 500°C, thereby obtaining a coating resisting 300°C or higher heat and further obtaining a hydrogen or helium permeation membrane excelling in water resistance. Similarly, a silicon resin comprising at least phenylheptamethylcyclotetrasiloxane and/or 2,6-cis-diphenylhexamethylcyclotetrasiloxane is provided as a hydrogen or helium storage membrane capable of selective hydrogen storage and capable of molding to arbitrary shape and is subjected to a firing step conducted at a thermal treatment temperature of 200 to 500°C, thereby obtaining a coating resisting 300°C or higher heat and further obtaining a hydrogen or helium storage membrane excelling in water resistance.</p> |
